It looks like the Perseverance rover has an unwanted passenger, a rock stuck inside one of its wheels. The image of the stone was selected by public input as the “Image of the Week” for Week 54 (Feb. 20–26, 2022) of the Perseverance mission. Perseverance captured this image on February 25, 2022.
Click here for original story, There’s a big rock stuck inside one of Perseverance’s wheels
Source: Phys.org